You may notice at car shows that a lot of the cars there have their hoods open. Aside from all the big things you notice, there are a lot of little things they use to dress up the engine bay. From simple radiator caps to cam gears and engine covers, it's the little things that may the engine bay look as awesome as it does.

Oil catch can / overflow tank is needed to high performance force induction cars, the oil catch can collects the oil mist and condenses the fuel vapors while allowing "cleaner" gases to be passed back into the intake